CN212485005U - Insulating fire-resistant power cable - Google Patents
Insulating fire-resistant power cable Download PDFInfo
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- CN212485005U CN212485005U CN202021319725.4U CN202021319725U CN212485005U CN 212485005 U CN212485005 U CN 212485005U CN 202021319725 U CN202021319725 U CN 202021319725U CN 212485005 U CN212485005 U CN 212485005U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses an insulating fire-resistant power cable, including the sinle silk, sinle silk surface coating has first flame retardant coating, first flame retardant coating surface coating has the insulating layer, insulating layer surface coating has the oxygen layer that separates, it has the second flame retardant coating to separate oxygen layer surface coating, second flame retardant coating surface coating has the waterproof layer, waterproof layer surface coating has anti-aging layer, anti-aging layer surface coating has wear-resisting protecting film. Because the fire-resistant mica is a high-performance mica insulation product and has excellent high-temperature resistance and combustion resistance, the cable is protected in multiple layers through the first fire-resistant layer, the second fire-resistant layer and the oxygen isolation layer, the fire resistance of the cable can be improved, and the cable does not contain halogen and has environmental protection performance; the anti-aging performance of the cable can be improved through the anti-aging layer, the effect of atmospheric aging is reduced, and the service life of the cable is prolonged.
Description
Technical Field
The utility model belongs to the technical field of power cable, specifically be an insulating fire-resistant power cable.
Background
Fire-resistant cable means a cable that can be kept in operation safely for a certain period of time in the event of a flame burn. The national standard GB12666.6 (IEC 331) of China divides a fire resistance test into A, B grades, wherein the A-grade flame temperature is 950-1000 ℃, the continuous fire supply time is 90min, the B-grade flame temperature is 750-800 ℃, the continuous fire supply time is 90min, and a sample is required to bear a rated voltage value specified by a product in the whole test period. Fire-resistant cables are widely used in places related to fire safety and fire life saving, such as high-rise buildings, underground railways, underground streets, large power stations, and important industrial and mining enterprises, for example, power supply lines and control lines of emergency facilities such as fire-fighting equipment and emergency guide lamps.
At present, the existing fire-resistant cables all contain halogen, the halogen releases a large amount of toxic and harmful corrosive gas and dense smoke during combustion, the environment is easily polluted, and the existing cables are easily subjected to atmospheric aging, so that the service life of the cables is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating fire-resistant power cable to solve current fire-resistant cable and all contain halogen, the halogen that contains releases a large amount of poisonous harmful corrosive gas and dense smoke when burning, the easy polluted environment, and current cable receives the atmosphere easily and ages, reduces the life's of cable problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating fire-resistant power cable, includes the sinle silk, sinle silk surface coating has first flame retardant coating, first flame retardant coating surface coating has the insulating layer, insulating layer surface coating has the oxygen layer that separates, it has the second flame retardant coating to separate oxygen layer surface coating, second flame retardant coating surface coating has the waterproof layer, waterproof layer surface coating has anti-aging layer, and anti-aging layer is mixed with resin as the carrier addition multiple anti-aging agent, then has the extruder membrane, can increase the ageing resistance of cable, reduces the effect that the atmosphere is ageing, improves the life of cable, anti-aging layer envelope parcel has wear-resisting protective film.
Preferably, the first flame retardant coating and the second flame retardant coating are both made of a flame-resistant mica material, the flame-resistant mica is a high-performance mica insulation product, the flame-resistant mica has excellent high-temperature resistance and combustion resistance, the thickness of the flame-resistant mica is 1-3 mm, and the cable is protected in a multi-layer manner through the first flame retardant coating, the second flame retardant coating and the oxygen isolation layer, so that the flame resistance of the cable can be improved, and halogen is not contained, and the environment-friendly performance is achieved.
Preferably, the insulating layer is made of insulating fiber materials, the thickness of the insulating layer is 1 mm, the anti-leakage performance of the cable can be improved through the insulating layer, and the situation of cable leakage is avoided.
Preferably, the waterproof layer is made of a polyurethane waterproof material, the thickness of the waterproof layer is 0.5-2 mm, and the polyurethane waterproof material has an excellent water seepage prevention effect and can increase the waterproof performance of the cable.
Preferably, the wear-resistant protective film is made of a ceramic patch material, the thickness of the wear-resistant protective film is 0.1-0.3 mm, the wear-resistant performance of the ceramic patch material is good, the wear-resistant performance of the cable can be improved through the wear-resistant protective film, and the situation that the ageing-resistant layer is scratched to influence the ageing-resistant effect is avoided.
Compared with the prior art, the beneficial effects of the utility model are that: because the fire-resistant mica is a high-performance mica insulation product and has excellent high-temperature resistance and combustion resistance, the cable is protected in multiple layers through the first fire-resistant layer, the second fire-resistant layer and the oxygen isolation layer, the fire resistance of the cable can be improved, and the cable does not contain halogen and has environmental protection performance; the anti-aging performance of the cable can be improved through the anti-aging layer, the effect of atmospheric aging is reduced, and the service life of the cable is prolonged.
Drawings
Fig. 1 is a cross-sectional view of the insulated fire-resistant power cable of the present invention.
In the figure: 1 sinle silk, 2 first flame retardant coating, 3 insulating layers, 4 oxygen layers, 5 second flame retardant coating, 6 waterproof layers, 7 ageing resistance layer, 8 wear-resisting protective film.
Detailed Description
Please refer to fig. 1, an insulating fire-resistant power cable, including sinle silk 1, sinle silk 1 surface coating has first flame retardant coating 2, first flame retardant coating 2 surface coating has insulating layer 3, insulating layer 3 surface coating has oxygen barrier layer 4, oxygen barrier layer 4 is made of aluminium hydroxide material, oxygen barrier layer 4 surface coating has second flame retardant coating 5, second flame retardant coating 5 surface coating has waterproof layer 6, waterproof layer 6 surface coating has anti-aging layer 7, anti-aging layer 7 is mixed with the multiple anti-aging agent of adding as the carrier with the resin, then there is the extruder membrane, can increase the ageing resistance of cable, reduce the ageing effect of atmosphere, the life of cable is improved, anti-aging layer 7 face coating has wear-resisting protective film 8.
Referring to fig. 1, the first flame retardant coating 2 and the second flame retardant coating 5 are both made of a flame-retardant mica material, the flame-retardant mica is a high-performance mica insulation product, has excellent high-temperature resistance and combustion resistance, and has a thickness of 1 to 3 mm, and the cable is protected in multiple layers by the first flame retardant coating 2, the second flame retardant coating 5 and the oxygen barrier 4, so that the flame-retardant performance of the cable can be improved, and the cable does not contain halogen and has an environment-friendly performance.
Referring to fig. 1, the insulating layer 3 is made of insulating fiber material, and the thickness thereof is 1 mm, so that the anti-leakage performance of the cable can be improved by the insulating layer 3, and the cable leakage situation can be avoided.
Referring to fig. 1, the waterproof layer 6 is made of a polyurethane waterproof material, and the thickness of the waterproof layer is 0.5 to 2 mm, and the polyurethane waterproof material has an excellent water seepage prevention effect and can increase the waterproof performance of the cable.
Referring to fig. 1, the wear-resistant protective film 8 is made of a ceramic patch material, and the thickness of the wear-resistant protective film is 0.1 to 0.3 mm, so that the wear-resistant performance of the ceramic patch material is good, the wear-resistant performance of the cable can be improved through the wear-resistant protective film 8, and the situation that the aging-resistant layer 7 is scratched to influence the aging-resistant effect is avoided.
The working principle of the scheme is as follows: when the cable is used, the first flame retardant coating 2 and the second flame retardant coating 5 are both made of a flame-resistant mica material, the flame-resistant mica is a high-performance mica insulating product and has excellent high-temperature resistance and combustion resistance, and the cable is protected in a multi-layer manner by the first flame retardant coating 2, the second flame retardant coating 5 and the oxygen isolation layer 4, so that the flame resistance of the cable can be improved, and the cable does not contain halogen and has the environment-friendly performance; the anti-aging performance of the cable can be improved through the anti-aging layer 7, the effect of atmospheric aging is reduced, the service life of the cable is prolonged, the wear-resistant protective film 8 is made of ceramic paster materials, the wear-resistant performance of the ceramic paster materials is good, the wear-resistant performance of the cable can be improved through the wear-resistant protective film 8, and the situation that the anti-aging layer 7 is scratched to influence the anti-aging effect is avoided.
Claims (5)
1. An insulated fire-resistant power cable comprising a core (1), characterized in that: sinle silk (1) surface coating has first flame retardant coating (2), first flame retardant coating (2) surface coating has insulating layer (3), insulating layer (3) surface coating has oxygen layer (4) of separating, it has second flame retardant coating (5) to separate oxygen layer (4) surface coating, second flame retardant coating (5) surface coating has waterproof layer (6), waterproof layer (6) surface coating has ageing resistance layer (7), ageing resistance layer (7) envelope surface coating has wear-resisting protective film (8).
2. An insulated fire-resistant power cable according to claim 1, characterized in that: the first fire-resistant layer (2) and the second fire-resistant layer (5) are both made of fire-resistant mica materials, and the thickness of the fire-resistant layers is 1-3 mm.
3. An insulated fire-resistant power cable according to claim 1, characterized in that: the insulating layer (3) is made of an insulating fiber material and has a thickness of 1 mm.
4. An insulated fire-resistant power cable according to claim 1, characterized in that: the waterproof layer (6) is made of polyurethane waterproof material, and the thickness of the waterproof layer is 0.5-2 mm.
5. An insulated fire-resistant power cable according to claim 1, characterized in that: the wear-resistant protective film (8) is made of ceramic patch materials, and the thickness of the wear-resistant protective film is 0.1-0.3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021319725.4U CN212485005U (en) | 2020-07-08 | 2020-07-08 | Insulating fire-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021319725.4U CN212485005U (en) | 2020-07-08 | 2020-07-08 | Insulating fire-resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212485005U true CN212485005U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021319725.4U Active CN212485005U (en) | 2020-07-08 | 2020-07-08 | Insulating fire-resistant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212485005U (en) |
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2020
- 2020-07-08 CN CN202021319725.4U patent/CN212485005U/en active Active
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